| Name | Umbilicaria mammulata (Acharius) Tuckerman |
| Authorship | (Acharius) Tuckerman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Umbilicaria Hoffmann |
| GUID | urn:lsid:indexfungorum.org:names:408129 |
| Holdings | 287 Specimens held in the Harvard University Herbaria identified as Umbilicaria mammulata (Acharius) Tuckerman |
| Identification made in | [no date] (270), 1960 (1), 1976 (1), 1989 (1), 1994 (2), 1995 (1), 1997 (1), 2001 (3), 2007 (1), 2008 (2), 2013 (2), 2019 (1), 2025 (1) |
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